Features: CHIME SETTINGS: This security keypad supports 3 settings of chime, instant or delay, to suit your requirement. PREMIUM QUALITY: Made of anti-rust and durable ABS material, this security keypad is of premium quality. VERSATILE USE: Greatly suitable for doors, sheds, garages or sliding doors. EASY INSTALLATION: Easy to install with no wiring required. PANIC BUTTON: The panic button can immediately activate the alarm. Specification: Material: ABS Color: White Battery: 3*AA(No.5)(Excluded) Size: Approx.13.3*8*3.5cm/5.2*3.1*1.4in Package Weight: Approx.138g/54.3oz Package List: 1 * Security Keypad Door Alarm System Note: 1. Please allow 1-3cm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. CHIME SETTINGS: This security keypad supports 3 settings of chime, instant or delay, to suit your requirement. PREMIUM QUALITY: Made of anti-rust and durable ABS material, this security keypad is of premium quality. VERSATILE USE: Greatly suitable for doors, sheds, garages or sliding doors. EASY INSTALLATION: Easy to install with no wiring required.